三种不同运动模式镍钛器械联合热牙胶在—次法根管治疗中的临床评价

摘要

BACKGROUND:One-visit root treatment has been widely acknowledged by clinicians. The novel nickel-titanium instruments can improve the work efficiency, treatment efficacy and comfort, which not only meet the patients' psychological requirements, but also alleviate the doctors' workload. OBJECTIVE:To evaluate the clinical evaluation of the nickel-titanium mechanicallinstruments in three different movement patterns combined with warm vertical compaction in the single-visit endodontic treatment. METHODS:375 affected teeth from 375 patients with pulp necrosis and periapical periodontitis were randomly allotted to three groups:WaveOne reciprocating, ProTaper rotary and Twisted File Adaptive groups. All the canals of teeth were instrumented with a crown-down technique combined with ultrasonic irrigation, and then subjected to the root canal filling using warm vertical compaction. RESULTS AND CONCLUSION:The root canal preparation time differed significantly among groups (P<0.001), which was the shortest in the WaveOne group, and longest in the ProTaper group. There was no significant difference in the canal obturation among groups (P>0.05). The postoperative pain showed significant difference among groups at 24 and 72 hours (P<0.05). At 7 days postoperatively, there was no significant difference in pain among groups (P>0.05). These results indicate that the WaveOne can significantly improve the canal preparation and shows good molding effect;while the Twisted File Adaptive significantly reduces postoperative pain.%背景:一次法根管治疗的已受到临床医生的广泛认可,新型的镍钛器械可以提高工作效率,提高治疗效果与舒适度,符合患者的心理需求,同时也可以有效地减轻医生的工作负担.目的:评价3种不同运动模式镍钛器械联合热牙胶充填技术在一次法根管治疗中的临床疗效.方法:将375例诊断为牙髓坏死或根尖周炎的患者,375颗患牙,随机分为3组:WaveOne往复运动组,ProTaper连续旋转运动组和Twisted File Adaptive自适应运动组,均采用冠向下法进行根管预备,给予超声荡洗后,予以连续波热牙胶垂直加压充填.结果与结论:3组根管预备时间差异有显著性意义(P<0.001),其中WaveOne往复运动组用时最短,ProTaper连续旋转运动组用时最长.3组根管适充率无显著性意义(P>0.05).术后24和72 h,3组疼痛率差异有显著性意义(P<0.05).术后7 d,3组疼痛率差异无显著性意义(P>0.05).说明相比较而言使用WaveOne进行根管预备效率最高,成形效果好,而Twisted File Adaptive镍钛器械可显著降低术后疼痛.